Characteristics of study subjects
| Subject | Age/sex | FEV1 (% predicted) | Methacholine PC20 (mg/ml) | Atopy |
|---|---|---|---|---|
| *Variation in FEV1 of >20% and >20% improvement after salbutamol. | ||||
| 1 | 41/M | 73.5 | 4.24 | Yes |
| 2 | 35/M | 107.1 | 3.22 | Yes |
| 3 | 27/F | 103.1 | 4.70 | Yes |
| 4 | 26/F | 71.0 | 0.23 | Yes |
| 5* | 25/F | 95.8 | >16 | No |
| 6* | 29/M | 99.5 | >16 | No |
| 7 | 38/M | 85.7 | 2.11 | Yes |
| 8 | 33/M | 91.7 | 0.93 | Yes |
| 9 | 42/M | 103.0 | 3.12 | Yes |
| 10 | 28/M | 81.5 | 2.46 | Yes |